Home / 11,881.59-17,825.37-3,561.60

Finding the Fourth Proportional to 11,881.59, 17,825.37 and 3,561.60

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Solution

The fourth proportional to 11,881.59, 17,825.37 and 3,561.60 is: 5,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.59 : 17,825.37 = 3,561.60 : x
  2. Step 2: Convert to fraction form
    11,881.59/17,825.37 = 3,561.60/x
  3. Step 3: Cross multiply
    11,881.59x = 17,825.37 × 3,561.60
  4. Step 4: Simplify right side
    11,881.59x = 63,486,837.79
  5. Step 5: Solve for x
    x = 63,486,837.79/11,881.59
  6. Step 6: Final answer
    x = 5,343.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.